NORDUnet has a main office in Copenhagen, Denmark, and a small office in Aalborg, Denmark.

The Copenhagen office of NORDUnet is located at walking distance from Copenhagen Airport and with access to Copenhagen city centre by metro, making it a popular venue for community meetings and events.



Kastruplundgade 22,1st floor
DK-2770 Kastrup
Phone: +45 32 46 25 00
Fax: +45 45 76 23 66

Billing & Accounts:
DK VAT Number: 17490346

Take the motorway towards Copenhagen airport / Sweden, then take exist 16 (Lufthavn Ø). NORDUnet is only a few minutes from the exit.

The most convenient parking is at the end of Bredagervej. Note that the areas has paid parking. Payment is done through choice of parking providers using the provider’s app.

You will arrive at Copenhagen Airport, terminals  2&3, from where, it’s just a short walk:

  • Walk to the “narrow” end of the arrivals hall, take the left exit from the terminal building,
  • Walk a short distance along the road.
  • Use the walkway bridge to cross the railroad and motorway.
  • You are now on Kastruplundsgade.
  • Follow the road about ½ km to reach the NORDUnet office.

From the airport take the Metro M2 direction “Vanløse” and get off at the first stop – “Kastrup”

From the City Centre (KGS Nytorv) take the Metro M2 direction “Lufthavnen” (airport) and get off at “Kastrup”. The ride is appr. 12 minutes.

  • Walk up Alleen to the red light
  • Turn right on Kastruplundgade
  • Walk a short distance and you will see the NORDUnet entrance, ref the illustration above.

Take the airport train from the Central Railway Station, Nørreport, or other station, and get off at the Copenhagen Airport. Use the instructions above to find the office from the airport.

The ride from Central Railway Station to Copenhagen Airport is 12 minutes

City bus 2 runs from city center. Get off at the bus stop at Kastruplundsgade (ask the driver for assistance), and you’re just a few minutes from the NORDUnet office. The bus from city center is about 35-40 minutes.

A taxi from city center is about 250 DKK, and will take 15-30 minutes, depending on traffic

Aalborg Office


John F. Kennedys Plads 1K, 7. sal
9000 Aalborg
Phone: +45 32 46 25 00
Fax: +45 45 76 23 66

You will arrive at Aalborg  Airport from where you can:

  • Take bus 12, 70, 71, or 200 to Aalborg Bus terminal
  • Take the airport train to Aalborg station.
  • Take a taxi (expect to pay about 20€).

The main train station is Aalborg is Aalborg Station. The main exit from the station is on John F. Kennedys Plads. From the exit, the NORDUnet office is in the red office bulding on the right of the square, a couple of minutes walk away.

Aalborg is not a large city. Most places – including from the airport to NORDUnet – can be reached for 20-30€. The phone number for Dantaxi Aalborg is +45 4848 4848.

Many bus lines in Aalborg – including busses from the airport and the university – end at or pass Aalborg Bus Terminal. The bus terminal is right behind the office building where NORDUnet is located.  

CERT - Computer Emergency Response Team

NORDUnet CERT performs security incident handling in cooperation with the Nordic national research networks.

NORDUnet CERT by email to

DK-CERT, email

RHnet CERT, email


Uninett CERT, email